2-Cyclopropyl-3,4-dihydro-2H-pyran-2-carboxylic acid CAS 1936672-68-2
| CAS No. | 1936672-68-2 |
| Molecular Formula | C9H12O3 |
| Molecular Weight | 168.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
2-Cyclopropyl-3,4-dihydro-2H-pyran-2-carboxylic acid (CAS 1936672-68-2), molecular formula C9H12O3 and molecular weight 168.19 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H12O3, 2-Cyclopropyl-3,4-dihydro-2H-pyran-2-carboxylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 168.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-Cyclopropyl-3,4-dihydro-2H-pyran-2-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H12O3 |
| Molecular Weight | 168.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
Related Cyclopropyl Standards
- 5-Cyclopropyl-2-(2-hydroxyethyl)-1,2-dihydro-3H-pyrazol-3-one (CAS 1564700-78-2)
- (R)-2-cyclopropyl-3,4-dihydro-2H-pyran-2-carboxylic acid (CAS 2306246-04-6)
- (S)-2-cyclopropyl-3,4-dihydro-2H-pyran-2-carboxylic acid (CAS 2050692-04-9)
- 1-Cyclopropyl-2-sulfanyl-1,4-dihydropyrimidin-4-one (CAS 1235439-16-3)
- 4-Cyclopropyl-1,1,1-trifluorobutan-2-ol (CAS 1488107-15-8)
- 5-Cyclopropyl-2-mercaptopyrimidin-4-ol (CAS 59698-21-4)
- 6-cyclopropyl-2-sulfanylpyrimidin-4-ol (CAS 7038-74-6)
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Recommended Standards
- 5-Ethyltetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione (CAS 1935324-77-8)
- Methyl 6-oxobicyclo[2.2.1]Heptane-2-carboxylate (CAS 1955506-98-5)
- Tetrahydro-1H-pyrido[1,2-a]pyrazine-3,7(2H,4H)-dione (CAS 1935088-66-6)
- 8-oxobicyclo[3.2.1]octane-3-carboxylic acid (CAS 1960487-84-6)
- 6-Methoxy-4-methyl-N-(thietan-3-yl)pyridin-2-amine (CAS 1876024-98-4)
- 1-[(4-Chlorophenyl)methyl]-6-oxo-N-[4-(trifluoromethyl)phenyl]-1,6-dihydropyridine-3-carboxamide (CAS 338782-71-1)
- 3-(Furan-2-carboxamido)-2,2,3-trimethylbutanoic acid (CAS 1487202-18-5)
- Tert-butyl (S)-2-(3-ethoxy-3-oxopropyl)pyrrolidine-1-carboxylate (CAS 126424-82-6)
- N-Propyl-N-(3-pyrrolidinylmethyl)-1-propanaminedihydrochloride (CAS 1219964-46-1)
- 1-Bromo-3,5-dimethyl-2-propan-2-yloxybenzene (CAS 95717-62-7)
- 4-(tert-Butoxycarbonyl)-1-(2-chloronicotinoyl)piperazine-2-carboxylic acid (CAS 1353944-91-8)
- 2-Chloro-5-(difluoromethyl)-3-methylpyridin-4-amine (CAS 1804723-58-7)
- (R)-1-(2-Chlorophenyl)propan-1-amine hydrochloride (CAS 1430475-11-8)
- Peptide 432 (CAS CATO-CPTD788432)
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